Manitowoc MD0420A, Technician'S Handbook

Page: 122 / 132

122 Part Number 040005626 5/17
M0700W SELF-CONTAINED WATER-COOLED
NOTE: These characteristics may vary depending on
operating conditions.
Cycle Times
Freeze Time + Harvest Time = Total Cycle Time
Times in minutes
24 Hour Ice Production
Based on average ice slab weight of 4.6 - 5.2 lb (2087 - 2359 g).
Water regulating valve set to maintain 320 PSIG discharge pressure
Condenser Water usage per 100 lbs ice = 170 gal (45 kg = 644 L)
Operating Pressures
Suction pressure drops gradually throughout the freeze cycle
Air Temp.
Around Ice
Machine
°F/°C
Freeze Time
Harvest
Time
Water Temperature °F/°C
50/10 70/21 90/32
70/21 9.5-11.0 10.9-12.5 11.5-13.2
1.0-2.5
80/27
9.8-11.3 11.1-12.8 11.7-13.5
90/32 10.9-12.5 11.2-12.9 12.7-14.6
100/38 11.9-13.6 12.2-13.9 12.9-14.8
110/43 12.4-14.3 12.9-14.8 13.2-15.1
Air Temp. Around Ice
Machine °F/°C
Water Temperature °F/°C
50/10 70/21 90/32
70/21 600 535 510
80/27 585 525 500
90/32 535 520 465
100/38 495 485 460
110/43 475 460 450
Air Temp.
Around Ice
Machine
°F/°C
Freeze Cycle Harvest Cycle
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
Discharge
Pressure
PSIG
Suction
Pressure
PSIG
50/10 315-325 55-31 160-210 100-135
70/21 315-325 55-32 180-225 100-140
80/27 315-325 60-32 180-230 105-140
90/32 315-325 65-32 180-230 105-140
100/38 315-325 65-32 180-230 105-140
110/43 315-325 65-32 180-230 105-140